Re: [Openvpn-users] OpenVPN with Windows NT4 for a large project.

Dave escribió:
>
> -----Original Message-----
> *From:* openvpn-users-bounces@xxxxxxxxxxxxxxxxxxxxx
> [mailto:openvpn-users-bounces@xxxxxxxxxxxxxxxxxxxxx] *On Behalf Of
> *Claude Ledermann
> *Sent:* Friday, December 15, 2006 9:24 AM
> *To:* openvpn-users@xxxxxxxxxxxxxxxxxxxxx
> *Subject:* [Openvpn-users] OpenVPN with Windows NT4 for a large
> project.
>
> I want to build a quite large network with OpenVPN, in a first
> phase 500 to 1000 stations, potentially the total number of
> stations approach 4500. Now we communicate with these stations
> over ISDN.
>
>
>
> I have made initial test with openvpn and have got a very good
> impression of this product.
>
>
>
> The stations are a mix of Windows 2000, Windows XP, Windows 2003,
> Windows NT4, DOS, Linux. More than half the stations are using NT4.
>
>
>
> My real problem is the Windows NT stations: no TAP driver is
> provided by OpenVPN.
>
>
>
> For Windows NT I am exploring the following alternatives: try to
> force the stations owner to migrate to XP, use some kind of Linux
> solid state pc in front of the station as an openVPN router or
> migrate openVPN back to NT4.
>
>
>
> Please can someone comment on the possibility of migrating OpenVPN
> back to NT4.
>
> C. Ledermann
>
> CCC Credit Card Center AG
>
> www.cccenter.ch <BLOCKED::http://www.cccenter.ch>
>
> Tel. +41-1-809 44 66
> Tel-direkt: +41-1-809 44 63
> Fax: +41-1-809 44 77
>
>
>
> Technically possible, but it would be a development excercise. I
> certainly have not researched it fully, but the major challenge in
> migrating the TAP driver back to NT4 is the lack on that platform of
> the NdisMRegisterDevice() api. This is critical to create a user-mode
> accessible interface that openvpn.exe uses.
>
>
>
> It is possible to work around that limitation though -- I had to do
> that for the PocketPC version of the TAP driver. A similar technique
> could work for NT4.
>
>
>
> -Dave
>
>
Hi all,
Just my $0.02: implementing anything on WinNT4 is a no-no from a point
of view of security.
Windows NT4 has passed his "end of life" according to Microsoft (IIRC,
by the end of 2005, not sure about the exact date), and no more updates
are to be issued, not even security updates. Taking into account that
many security vulnerabilities affect the "win32" platform in general,
several of them would be applicable to NT4.
Regards,
Miguel
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